Axel Mecklinger, Saarland University (IMAGE) Saarland University Caption Axel Mecklinger headed the team of researchers, that has shown that a short nap lasting about an hour can significantly improve memory performance. Credit Michael Kipp Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.